AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Composer 2.5 vs Kimi Linear

Cursor
Composer 2.5
Moonshot AI
Kimi Linear
Overview
CompanyCursorMoonshot AI
Release dateMay 18 2026Oct 2025
AccessProprietaryOpen Weight
Specifications
Parameters
48B
Benchmarks
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapKimi Linear shipped 229 days before Composer 2.5

Which is better: Composer 2.5 or Kimi Linear?

Composer 2.5 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 229 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Composer 2.5 is proprietary, while Kimi Linear is open weight.

Direct benchmark comparisons are unavailable — Composer 2.5 and Kimi Linear don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

Kimi Linear was released by Moonshot AI on Oct 2025.

Composer 2.5 is a proprietary model released by Cursor. Kimi Linear is an open weight model released by Moonshot AI.

Other comparisons